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No unread posts Attachment(s) Emerald Enhancement Classification

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No unread posts CIBJO CONFERENCE Special Reports:

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No unread posts A New Type of Emerald from Afghanistan’s Panjshir Valley

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No unread posts Attachment(s) Introduction to Colored Diamonds Grading & Pricing

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No unread posts Sapphires Heated with Heat an Pressure

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No unread posts Composite Geemstones

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No unread posts Journal of Gemmology Download 1947-2016

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No unread posts CORNFLOWER BLUE: THE MYSTERIOUS COLOR!

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No unread posts Better refractometer results with the Bright Line technique

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Sat Nov 30, 2019 1:16 pm

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No unread posts Attachment(s) Sapphires with unstable colors

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Tue Oct 29, 2019 4:50 pm

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No unread posts CIBJO releases Gemmological Special Report

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Wed Oct 23, 2019 11:22 am

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No unread posts THE EFFECT OF GRAY ON THE VALUE OF SPINELS AND OTHER GEMS

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No unread posts Bsc in Gemology Birmingham City University

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Sat Sep 14, 2019 7:03 pm

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No unread posts UPDATE: SSEF launches GemTrack™

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No unread posts Free Gemmological Webinars

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No unread posts Upcoming Gem-A Events

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No unread posts Lotus Spring 2019 talking tour

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